Version 0.3.22-beta-release

Updates introduced since 0.3.21-beta-release

• 11defa8 Fix OS compatibility issues - (Ni Rui) 82AE11AD1E5E8729 E
• 982574f Close remote handlers as soon as client disconnects - (Ni Rui) 82AE11AD1E5E8729 E
• 0e81d88 Upgrade frontend dependencies - (Ni Rui) 82AE11AD1E5E8729 E
• 24d9742 Upgrade backend dependencies - (Ni Rui) 82AE11AD1E5E8729 E
• 13cef09 Add SSHWIFTY_HOOK_DEADLINE environment variable to allow Hook to determine the forced termination time - (Ni Rui) 82AE11AD1E5E8729 E
• 7889999 Added support for server-side hooks: #190 - (Ni Rui) 82AE11AD1E5E8729 E